# checka! [チェッカ] vs シンプル「ABCDタスク管理」

The clearest difference is update cadence: checka! [チェッカ] at every 2 weeks against シンプル「ABCDタスク管理」's every 3 months. checka! [チェッカ] also leads on iOS requirement (15.0 vs 18.6). シンプル「ABCDタスク管理」's advantage is review sentiment (60% vs 40%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. checka! [チェッカ] sells 2 in-app purchases, starting at $0.99 per month and シンプル「ABCDタスク管理」 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

checka! [チェッカ] ships an update every 2 weeks, シンプル「ABCDタスク管理」 every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | checka! [チェッカ] | シンプル「ABCDタスク管理」 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | **60.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 20 MB | 18 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Seiya Mogami](https://appshunter.io/developer/1072574795) | [tomohiro nakano](https://appshunter.io/developer/1179284958) |

## What reviewers say

### checka! [チェッカ]

[App page](https://appshunter.io/ios/app/checka/id1451433619)

This app allows multiple users to share and manage checklists. It prioritizes simplicity and ease of use, suitable for individuals, families, or couples. No complex registration is required to start, with an optional phone number registration for backup.

**Highlights:** Shared checklists, Simple interface, No registration required, Optional phone backup, Dark mode support

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン（月額） | $0.99 | per month |
| プレミアムプラン（年額） | $6.99 | per year |


### シンプル「ABCDタスク管理」

[App page](https://appshunter.io/ios/app/abcd/id1516079594)

Prioritize tasks using the ABCD matrix based on urgency and importance. Organize tasks into customizable categories, view priorities at a glance, and secure your data with passcode locks. Offers theme customization and ad removal via in-app purchase.

**Highlights:** ABCD matrix for task prioritization, Task categorization and locking, Detailed task creation and editing, Customizable app themes and colors, Passcode protection for app and categories, Ad removal via in-app purchase

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $2.99 | one-time |


## Frequently asked questions

### Is checka! [チェッカ] free?

checka! [チェッカ] is free to download, with in-app purchases available.

### Is シンプル「ABCDタスク管理」 free?

シンプル「ABCDタスク管理」 is free to download, with in-app purchases available.

### Do checka! [チェッカ] or シンプル「ABCDタスク管理」 have ads?

Both checka! [チェッカ] and シンプル「ABCDタスク管理」 show ads.

### Which is updated more often, checka! [チェッカ] or シンプル「ABCDタスク管理」?

checka! [チェッカ] ships an update every 2 weeks, and シンプル「ABCDタスク管理」 every 3 months. Most recently, checka! [チェッカ] was updated on October 24, 2026 and シンプル「ABCDタスク管理」 on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*